65440036030045 has 16 divisors (see below), whose sum is σ = 81064560619008. Its totient is φ = 50661157014720.

The previous prime is 65440036030007. The next prime is 65440036030073. The reversal of 65440036030045 is 54003063004456.

It is a happy number.

It is not a de Polignac number, because 65440036030045 - 2⁷ = 65440036029917 is a prime.

It is a super-2 number, since 2×65440036030045² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4973559 + ... + 12474628.

It is an arithmetic number, because the mean of its divisors is an integer number (5066535038688).

Almost surely, 2^{65440036030045} is an apocalyptic number.

It is an amenable number.

65440036030045 is a deficient number, since it is larger than the sum of its proper divisors (15624524588963).

65440036030045 is a wasteful number, since it uses less digits than its factorization.

65440036030045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17472420.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 65440036030045 in words is "sixty-five trillion, four hundred forty billion, thirty-six million, thirty thousand, forty-five".